USS Tillamook

Intelligence-dossier evidence board for the 1948 declassified Alaskan Air Command "Unusual Sightings along Aleutian Chain" document, showing a cold gray choppy North Pacific seascape under low overcast viewed from a 1948 Navy PB4Y Privateer patrol aircraft in silhouette, with a black submarine-like conning-tower object half-submerging on the dark water and throwing a long foaming wake, a bleak treeless island ridge on the horizon, and distant unidentifiable aircrew; rendered in coarse high-contrast 1948 black-and-white silver-gelatin reconnaissance-photo texture, with a clipped phosphor radar-scope inset, a fragment of the SECRET Alaskan Air Command letterhead dated 22 April 1948, and a small map of the Aleutian chain with plotted contact dots, and restrained cold-cyan tactical HUD overlays marking the case as Classification USO and surface-radar with one nocturnal-light element, multiple USAF and USN witnesses, source the Alaskan Air Command SECRET letter declassified by NARA in 2009, status Insufficient Data.

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Alaska Sightings

1948: Unusual Sightings along Aleutian chain – Declassified – Document

Published: September 3, 2014 | Updated: June 5, 2026

THINK ABOUTIT UFO | UAP SIGHTING REPORT 1948: Unusual Sightings Along the Aleutian Chain — Declassified Document In the spring of 1948, as the...